6870690 has 32 divisors (see below), whose sum is σ = 18322560. Its totient is φ = 1832112.

The previous prime is 6870683. The next prime is 6870691. The reversal of 6870690 is 960786.

It is a super-2 number, since 2×6870690² = 94412762152200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6870691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12454 + ... + 12993.

It is an arithmetic number, because the mean of its divisors is an integer number (572580).

Almost surely, 2^6870690 is an apocalyptic number.

6870690 is an abundant number, since it is smaller than the sum of its proper divisors (11451870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6870690 is a wasteful number, since it uses less digits than its factorization.

6870690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25463 (or 25457 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 6870690 is about 2621.2001068213. The cubic root of 6870690 is about 190.1078796406.

The spelling of 6870690 in words is "six million, eight hundred seventy thousand, six hundred ninety".